German Economy Minister Robert Habeck confirmed that his country began to suffer from a shortage of gas supplies, announcing that it was raising the level of alert regarding energy after Russia reduced its shipments of gas.Habeck said in a press conference today, Thursday, that gas has become "now a rare commodity in Germany."Read also: The United Nations comments on the Ukrainian forces' bombing of gas platforms near CrimeaHabek had previously considered the decline in Russian gas supplies to Europe via the "Nordstream 1" gas pipeline, which was recently decided by Moscow, as an economic "attack" aimed at "sowing chaos in the European energy market."In a speech to the heads of the energy sector companies, he said, "What we saw last week carries another dimension. Reducing gas shipments through Nordstream is an attack on us, an economic attack on us."